![](https://coimages.sciencemuseumgroup.org.uk/41/177/large_thumbnail_1975_0359__0001_.jpg)
Clark standard element (cell) no. 142
- Made:
- 1872 in Westminster
![Clark standard element (cell) no](https://coimages.sciencemuseumgroup.org.uk/424/516/medium_smg00224896.jpg)
Clark standard element (cell) no. 142, PHY 190, 1872, by Warden, Muirhead and Clark, Westminster
Details
- Category:
- Telecommunications
- Object Number:
- 1989-963
- type:
- standards
- credit:
- Muirhead Vactric Components Limited